Odpowiedź:
[tex]4,5cm^{2} =450mm^{2}\\3cm^{2} =300mm^{2}\\10,3cm^{2} =1030mm^{2}\\4dm^{2} =400cm^{2}\\6dm^{2} =650cm^{2}\\7m^{2} =70 000cm^{2}\\2,5dm^{2} =25000cm^{2}\\[/tex]
